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OPTIMOD-PC
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OPTIMOD-PC features two processing structures: Five-Band (or Multiband) for a
consistent, "processed" sound, free from undesirable side effects and Two-Band
for a tastefully controlled sound that preserves the frequency balance of the
original program material.
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The Two-Band structure can also be tuned to operate as a Protection Limiter,
providing up to 25dB of safety limiting with minimal side effects.
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OPTIMOD-PC can increase the density and loudness of the program material
by multiband compression and look-ahead limiting, improving the consistency of
the station's sound and increasing loudness and definition remarkably, without
producing unpleasant side effects.
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OPTIMOD-PC rides gain over an adjustable range of up to 25dB, compressing
dynamic range and compensating for operator gain-riding errors and for gain
inconsistencies in automated systems.
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OPTIMOD-PC's processing structures are all phase-linear to maximize audible
transparency.
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OPTIMOD-PC can be changed from one processing structure to another with a
smooth cross-fade.
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The 8500 provides two different stereo enhancement algorithms. The first is
based on Orban's patented analog 222 Stereo Enhancer, which increases the en-
ergy in the stereo difference signal (L–R) whenever a transient is detected in the
stereo sum signal (L+R). The second stereo enhancement algorithm passes the L–
R signal through a delay line and adds this decorrelated signal to the unen-
hanced L–R signal. Gating circuitry prevents over-enhancement and undesired
enhancement on slightly unbalanced mono material.
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Two-Band automatic gain control with window gating and selectable L/R or
sum/difference processing compensates for widely varying input levels.
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Shelving bass equalizer and three-band parametric equalizer let you color
the audio to your exact requirements.
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Two-band and five-band compressors with parametric soft-knee com-
pression curves allow you to fine-tune the audio to your exact require-
ments and make OPTIMOD-PC an excellent mastering processor.
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The output of the two-band or five-band compressor can be routed directly to
the card's outputs, facilitating creation of a low-delay monitoring path for
talent headphones.
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Low-IM look-ahead limiter effectively limits peaks while ensuring that low-
bit-rate codecs operate optimally without overload.
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INTRODUCTION
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